need help with f, thanks

a) The expected (estimalod) time for activily C is weeks, (Round yeur msponse to fwo decinal places) b) The varianse for activity C is (Round your response to fwo decimal places) c) Based on the caiculation of the entimaled tirses, the critical parth is 6) The estimated time for the critcal path is 42.61 ) weeks. (Round your response to two decima places) e) the acthily variance along the critical path is weeks. (Round your resonse fo heo decindi puces) Using the Mandard. norimai table, the probabaty that Hopains Hospeality wat frish the propet in 42 weeks or lest in (Enter as a poblabely and reund yuer maponse to three decimal glacea)